Detailed text transcripts for TV channel - MSNBC - 20110420:15:17:00
York, homeland security secretary janet napolitano will announce the new system to alerting the public to a terror track. the color-coded system that came into place after the september 11th attacks will be a thing of the past. starting next week, it's going to be replaced with a system that the government says is more specific. that system will feature two alert levels, imminent and elevated. here's homeland security secretary janet napolitano on why she believes this system is more effective. >> these alerts usually will not be national in scope. they will be limited to where the threat is. ...